Commit 9b29c872ce
Changed files (5)
test
cases
src/analyze.cpp
@@ -5931,8 +5931,8 @@ size_t type_id_len() {
return array_length(all_type_ids);
}
-size_t type_id_index(TypeTableEntryId id) {
- switch (id) {
+size_t type_id_index(TypeTableEntry *entry) {
+ switch (entry->id) {
case TypeTableEntryIdInvalid:
zig_unreachable();
case TypeTableEntryIdMetaType:
@@ -5952,6 +5952,8 @@ size_t type_id_index(TypeTableEntryId id) {
case TypeTableEntryIdArray:
return 7;
case TypeTableEntryIdStruct:
+ if (entry->data.structure.is_slice)
+ return 25;
return 8;
case TypeTableEntryIdNumLitFloat:
return 9;
src/analyze.hpp
@@ -174,7 +174,7 @@ void update_compile_var(CodeGen *g, Buf *name, ConstExprValue *value);
const char *type_id_name(TypeTableEntryId id);
TypeTableEntryId type_id_at_index(size_t index);
size_t type_id_len();
-size_t type_id_index(TypeTableEntryId id);
+size_t type_id_index(TypeTableEntry *entry);
TypeTableEntry *get_generic_fn_type(CodeGen *g, FnTypeId *fn_type_id);
bool type_is_copyable(CodeGen *g, TypeTableEntry *type_entry);
LinkLib *create_link_lib(Buf *name);
src/codegen.cpp
@@ -6345,6 +6345,7 @@ static void define_builtin_compile_vars(CodeGen *g) {
const TypeTableEntryId id = type_id_at_index(i);
buf_appendf(contents, " %s,\n", type_id_name(id));
}
+ buf_appendf(contents, " Slice,\n");
buf_appendf(contents, "};\n\n");
}
{
@@ -6357,6 +6358,7 @@ static void define_builtin_compile_vars(CodeGen *g) {
" Int: Int,\n"
" Float: Float,\n"
" Pointer: Pointer,\n"
+ " Slice: Slice,\n"
" Array: Array,\n"
" Struct: Struct,\n"
" FloatLiteral: void,\n"
@@ -6392,6 +6394,8 @@ static void define_builtin_compile_vars(CodeGen *g) {
" child: type,\n"
" };\n"
"\n"
+ " pub const Slice = Pointer;\n"
+ "\n"
" pub const Array = struct {\n"
" len: usize,\n"
" child: type,\n"
src/ir.cpp
@@ -15785,11 +15785,10 @@ static TypeTableEntry *ir_type_info_get_type(IrAnalyze *ira, const char *type_na
Buf field_name = BUF_INIT;
buf_init_from_str(&field_name, type_name);
- auto entry = type_info_scope->decl_table.maybe_get(&field_name);
+ auto entry = type_info_scope->decl_table.get(&field_name);
buf_deinit(&field_name);
- assert(entry != nullptr);
- TldVar *tld = (TldVar *)entry->value;
+ TldVar *tld = (TldVar *)entry;
assert(tld->base.id == TldIdVar);
VariableTableEntry *var = tld->var;
@@ -16071,6 +16070,38 @@ static ConstExprValue *ir_make_type_info_value(IrAnalyze *ira, TypeTableEntry *t
enum_field_val->data.x_struct.fields = inner_fields;
};
+ const auto create_ptr_like_type_info = [ira](const char *name, TypeTableEntry *ptr_type_entry) {
+ ConstExprValue *result = create_const_vals(1);
+ result->special = ConstValSpecialStatic;
+ result->type = ir_type_info_get_type(ira, name);
+
+ ConstExprValue *fields = create_const_vals(4);
+ result->data.x_struct.fields = fields;
+
+ // is_const: bool
+ ensure_field_index(result->type, "is_const", 0);
+ fields[0].special = ConstValSpecialStatic;
+ fields[0].type = ira->codegen->builtin_types.entry_bool;
+ fields[0].data.x_bool = ptr_type_entry->data.pointer.is_const;
+ // is_volatile: bool
+ ensure_field_index(result->type, "is_volatile", 1);
+ fields[1].special = ConstValSpecialStatic;
+ fields[1].type = ira->codegen->builtin_types.entry_bool;
+ fields[1].data.x_bool = ptr_type_entry->data.pointer.is_volatile;
+ // alignment: u32
+ ensure_field_index(result->type, "alignment", 2);
+ fields[2].special = ConstValSpecialStatic;
+ fields[2].type = ira->codegen->builtin_types.entry_u32;
+ bigint_init_unsigned(&fields[2].data.x_bigint, ptr_type_entry->data.pointer.alignment);
+ // child: type
+ ensure_field_index(result->type, "child", 3);
+ fields[3].special = ConstValSpecialStatic;
+ fields[3].type = ira->codegen->builtin_types.entry_type;
+ fields[3].data.x_type = ptr_type_entry->data.pointer.child_type;
+
+ return result;
+ };
+
ConstExprValue *result = nullptr;
switch (type_entry->id)
{
@@ -16139,34 +16170,7 @@ static ConstExprValue *ir_make_type_info_value(IrAnalyze *ira, TypeTableEntry *t
}
case TypeTableEntryIdPointer:
{
- result = create_const_vals(1);
- result->special = ConstValSpecialStatic;
- result->type = ir_type_info_get_type(ira, "Pointer");
-
- ConstExprValue *fields = create_const_vals(4);
- result->data.x_struct.fields = fields;
-
- // is_const: bool
- ensure_field_index(result->type, "is_const", 0);
- fields[0].special = ConstValSpecialStatic;
- fields[0].type = ira->codegen->builtin_types.entry_bool;
- fields[0].data.x_bool = type_entry->data.pointer.is_const;
- // is_volatile: bool
- ensure_field_index(result->type, "is_volatile", 1);
- fields[1].special = ConstValSpecialStatic;
- fields[1].type = ira->codegen->builtin_types.entry_bool;
- fields[1].data.x_bool = type_entry->data.pointer.is_volatile;
- // alignment: u32
- ensure_field_index(result->type, "alignment", 2);
- fields[2].special = ConstValSpecialStatic;
- fields[2].type = ira->codegen->builtin_types.entry_u32;
- bigint_init_unsigned(&fields[2].data.x_bigint, type_entry->data.pointer.alignment);
- // child: type
- ensure_field_index(result->type, "child", 3);
- fields[3].special = ConstValSpecialStatic;
- fields[3].type = ira->codegen->builtin_types.entry_type;
- fields[3].data.x_type = type_entry->data.pointer.child_type;
-
+ result = create_ptr_like_type_info("Pointer", type_entry);
break;
}
case TypeTableEntryIdArray:
@@ -16436,6 +16440,16 @@ static ConstExprValue *ir_make_type_info_value(IrAnalyze *ira, TypeTableEntry *t
}
case TypeTableEntryIdStruct:
{
+ if (type_entry->data.structure.is_slice) {
+ Buf ptr_field_name = BUF_INIT;
+ buf_init_from_str(&ptr_field_name, "ptr");
+ TypeTableEntry *ptr_type = type_entry->data.structure.fields_by_name.get(&ptr_field_name)->type_entry;
+ ensure_complete_type(ira->codegen, ptr_type);
+
+ result = create_ptr_like_type_info("Slice", ptr_type);
+ break;
+ }
+
result = create_const_vals(1);
result->special = ConstValSpecialStatic;
result->type = ir_type_info_get_type(ira, "Struct");
@@ -16622,7 +16636,7 @@ static TypeTableEntry *ir_analyze_instruction_type_info(IrAnalyze *ira,
ConstExprValue *out_val = ir_build_const_from(ira, &instruction->base);
out_val->type = result_type;
- bigint_init_unsigned(&out_val->data.x_union.tag, type_id_index(type_entry->id));
+ bigint_init_unsigned(&out_val->data.x_union.tag, type_id_index(type_entry));
ConstExprValue *payload = ir_make_type_info_value(ira, type_entry);
out_val->data.x_union.payload = payload;
@@ -16650,7 +16664,7 @@ static TypeTableEntry *ir_analyze_instruction_type_id(IrAnalyze *ira,
TypeTableEntry *result_type = var_value->data.x_type;
ConstExprValue *out_val = ir_build_const_from(ira, &instruction->base);
- bigint_init_unsigned(&out_val->data.x_enum_tag, type_id_index(type_entry->id));
+ bigint_init_unsigned(&out_val->data.x_enum_tag, type_id_index(type_entry));
return result_type;
}
test/cases/type_info.zig
@@ -25,7 +25,7 @@ test "type info: integer, floating point type info" {
}
}
-test "type info: pointer, array and nullable type info" {
+test "type info: pointer type info" {
comptime {
const u32_ptr_info = @typeInfo(&u32);
assert(TypeId(u32_ptr_info) == TypeId.Pointer);
@@ -33,12 +33,31 @@ test "type info: pointer, array and nullable type info" {
assert(u32_ptr_info.Pointer.is_volatile == false);
assert(u32_ptr_info.Pointer.alignment == 4);
assert(u32_ptr_info.Pointer.child == u32);
+ }
+}
+
+test "type info: slice type info" {
+ comptime {
+ const u32_slice_info = @typeInfo([]u32);
+ assert(TypeId(u32_slice_info) == TypeId.Slice);
+ assert(u32_slice_info.Slice.is_const == false);
+ assert(u32_slice_info.Slice.is_volatile == false);
+ assert(u32_slice_info.Slice.alignment == 4);
+ assert(u32_slice_info.Slice.child == u32);
+ }
+}
+test "type info: array type info" {
+ comptime {
const arr_info = @typeInfo([42]bool);
assert(TypeId(arr_info) == TypeId.Array);
assert(arr_info.Array.len == 42);
assert(arr_info.Array.child == bool);
+ }
+}
+test "type info: nullable type info" {
+ comptime {
const null_info = @typeInfo(?void);
assert(TypeId(null_info) == TypeId.Nullable);
assert(null_info.Nullable.child == void);
@@ -100,11 +119,11 @@ test "type info: union info" {
assert(TypeId(typeinfo_info) == TypeId.Union);
assert(typeinfo_info.Union.layout == TypeInfo.ContainerLayout.Auto);
assert(typeinfo_info.Union.tag_type == TypeId);
- assert(typeinfo_info.Union.fields.len == 25);
+ assert(typeinfo_info.Union.fields.len == 26);
assert(typeinfo_info.Union.fields[4].enum_field != null);
assert((??typeinfo_info.Union.fields[4].enum_field).value == 4);
assert(typeinfo_info.Union.fields[4].field_type == @typeOf(@typeInfo(u8).Int));
- assert(typeinfo_info.Union.defs.len == 20);
+ assert(typeinfo_info.Union.defs.len == 21);
const TestNoTagUnion = union {
Foo: void,